<template>
  <div>
    <el-form ref="form" label-width="80px">
      <el-form-item label="SPU名称"> {{ spu.spuName }} </el-form-item>
      <el-form-item label="SKU名称">
        <el-input placeholder="SKU名称" v-model="skuInfo.skuName"></el-input>
      </el-form-item>
      <el-form-item label="价格(元)">
        <el-input
          placeholder="价格(元)"
          type="number"
          v-model="skuInfo.price"
        ></el-input>
      </el-form-item>
      <el-form-item label="重量(千克)">
        <el-input placeholder="重量(千克)" v-model="skuInfo.weight"></el-input>
      </el-form-item>
      <el-form-item label="规格描述">
        <el-input
          type="textarea"
          rows="4"
          placeholder="规格描述"
          v-model="skuInfo.skuDesc"
        ></el-input>
      </el-form-item>
      <el-form-item label="平台属性">
        <el-form ref="form" :inline="true" label-width="80px">
          <el-form-item
            :label="attr.attrName"
            v-for="attr in attrInfoList"
            :key="attr.id"
          >
            <el-select placeholder="请选择" v-model="attr.attrIdAndValueId">
              <el-option
                :label="attrValue.valueName"
                :value="`${attr.id}:${attrValue.id}`"
                v-for="attrValue in attr.attrValueList"
                :key="attrValue.id"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="销售属性">
        <el-form ref="form" :inline="true" label-width="80px">
          <el-form-item
            :label="saleAttr.saleAttrName"
            v-for="saleAttr in spuSaleAttrList"
            :key="saleAttr.id"
          >
            <el-select placeholder="请选择" v-model="saleAttr.attrIdAndValueId">
              <el-option
                :label="saleAttrValue.saleAttrValueName"
                :value="`${saleAttr.id}:${saleAttrValue.id}`"
                v-for="saleAttrValue in saleAttr.spuSaleAttrValueList"
                :key="saleAttrValue.id"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="图片列表">
        <el-table
          style="width: 100%"
          border
          :data="spuImageList"
          @selection-change="handleSelectionChange"
        >
          <el-table-column
            prop="prop"
            label="label"
            width="width"
            type="selection"
          >
          </el-table-column
          ><el-table-column prop="prop" label="图片" width="width">
            <template slot-scope="{ row }">
              <img :src="row.imgUrl" style="width: 100px" />
            </template> </el-table-column
          ><el-table-column prop="imgName" label="名称" width="width">
          </el-table-column
          ><el-table-column prop="prop" label="操作" width="width">
            <template slot-scope="{ row }">
              <el-button
                type="primary"
                size="mini"
                v-if="row.isDefault == 0"
                @click="changeDefault(row)"
                >设置默认</el-button
              >
              <el-button size="mini" v-else>默认</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="save">保存</el-button>
        <el-button @click="cancal">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  name: "",
  data() {
    return {
      // 存储图片数据
      spuImageList: [],
      // 存储销售信息数据
      spuSaleAttrList: [],
      // 存储平台属性的数据
      attrInfoList: [],
      // 收集sku数据的字段
      skuInfo: {
        // 父组件给的
        category3Id: 0,
        spuId: 0,
        tmId: 0,
        //通过双向绑定获取的数据
        price: 0,
        skuName: "",
        weight: "",
        skuDesc: "",
        // 需要自己书写代码的
        // 默认图片
        skuDefaultImg: "",
        // 平台属性
        skuAttrValueList: [
          // {
          //   attrId: 0,
          //   valueId: 0,
          // },
        ],
        // 收集图片的字段
        skuImageList: [
          // {
          //   id: 0,
          //   imgName: "string",
          //   imgUrl: "string",
          //   isDefault: "string",
          //   skuId: 0,
          //   spuImgId: 0,
          // },
        ],
        // 销售属性
        skuSaleAttrValueList: [
          // {
          //   id: 0,
          //   saleAttrId: 0,
          //   saleAttrName: "string",
          //   saleAttrValueId: 0,
          //   saleAttrValueName: "string",
          //   skuId: 0,
          //   spuId: 0,
          // },
        ],
      },
      spu: {},
      // 收集图片的数据
      imageList: [],
    };
  },
  methods: {
    // 获取Skuform数据
    async getData(category1Id, category2Id, spu) {
      // console.log(spu);
      // 收集父组件给的数据
      this.skuInfo.category3Id = spu.category3Id;
      this.skuInfo.spuId = spu.id;
      this.skuInfo.tmId = spu.tmId;
      this.spu = spu;
      // 获取图片数据
      let result = await this.$API.spu.reqSpuImageList(spu.id);
      // console.log(result);
      if (result.code == 200) {
        let list = result.data;
        // 给spuImageList赋值isDefault
        list.forEach((item) => {
          item.isDefault = 0;
        });
        this.spuImageList = list;
      }
      // 获取销售属性的数据
      let result1 = await this.$API.spu.reqSpuSaleAttrList(spu.id);
      // console.log(result1);
      if (result1.code == 200) {
        this.spuSaleAttrList = result1.data;
      }
      //  获取平台属性的数据
      let result2 = await this.$API.spu.reqAttrInfoList(
        category1Id,
        category2Id,
        spu.category3Id
      );
      // console.log(result2);
      if (result2.code == 200) {
        this.attrInfoList = result2.data;
      }
    },
    // table表格复选框按钮的事件
    handleSelectionChange(params) {
      // 获取用户选择中的图片数据 但是 更缺少isDefault
      this.imageList = params;
    },
    changeDefault(row) {
      // 将点击的按钮的isDefault变为1 其他的都为0
      this.spuImageList.forEach((item) => {
        // 先遍历将所有的isDefault变成0
        item.isDefault = 0;
      });
      // 在将点击的这个变成1
      row.isDefault = 1;
      // 将点击图片换成默认图片
      this.skuInfo.skuDefaultImg = row.imgUrl;
    },
    //点击取消按钮
    cancal() {
      // 使用自定义事件 将场景切换为0
      this.$emit("changeScene", 0);
      // 清除数据
      Object.assign(this._data, this.$options.data());
    },
    // 点击保存按钮
    async save() {
      // 整理参数
      // 整理平台属性
      const { attrInfoList, skuInfo, spuSaleAttrList, imageList } = this;
      let arr = [];
      // 整理平台数据
      attrInfoList.forEach((item) => {
        // 当前平台属性用户进行选择
        if (item.attrIdAndValueId) {
          const [attrId, valueId] = item.attrIdAndValueId.split(":");
          // 携带给服务器参数应该是对象
          let odj = { valueId, attrId };
          arr.push(odj);
        }
      });
      skuInfo.skuAttrValueList = arr;
      // 整理销售属性
      skuInfo.skuSaleAttrValueList = spuSaleAttrList.reduce((prev, item) => {
        if (item.attrIdAndValueId) {
          const [saleAttrId, saleAttrValueId] =
            item.attrIdAndValueId.split(":");
          prev.push({ saleAttrId, saleAttrValueId });
        }
        return prev;
      }, []);
      // 整理图片的数据
      skuInfo.skuImageList = imageList.map((item) => {
        return {
          imgName: item.imgName,
          imgUrl: item.imgUrl,
          isDefault: item.isDefault,
          spuImgId: item.id,
        };
      });
      // 发请求
      let result = await this.$API.spu.reqAddSku(skuInfo);
      if (result.code == 200) {
        // 保存成功 提示消息
        this.$message.success("添加成功！");
        // 切换场景
        this.$emit("changeScene", 0);
      }
    },
  },
};
</script>

<style>
</style>